2–36
Chapter 2: Board Components
Memory
Cyclone V GX FPGA Development Board
May 2013
Altera Corporation
Reference Manual
K9
DDR3A_CKE
AK18
1.5-V SSTL Class I
Column address select
K7
DDR3A_CLK_P
Y13
1.5-V SSTL Class I
Differential output clock
J7
DDR3A_CLK_N
AA14
1.5-V SSTL Class I
Differential output clock
L2
DDR3A_CSN
Y12
1.5-V SSTL Class I
Chip select
E7
DDR3A_DM2
AJ23
1.5-V SSTL Class I
Write mask byte lane
D3
DDR3A_DM3
AJ27
1.5-V SSTL Class I
Write mask byte lane
F2
DDR3A_DQ16
AE18
1.5-V SSTL Class I
Data bus byte lane 2
F8
DDR3A_DQ17
AD18
1.5-V SSTL Class I
Data bus byte lane 2
E3
DDR3A_DQ18
AJ20
1.5-V SSTL Class I
Data bus byte lane 2
F7
DDR3A_DQ19
AK22
1.5-V SSTL Class I
Data bus byte lane 2
H3
DDR3A_DQ20
AF19
1.5-V SSTL Class I
Data bus byte lane 2
G2
DDR3A_DQ21
AF18
1.5-V SSTL Class I
Data bus byte lane 2
H7
DDR3A_DQ22
AH21
1.5-V SSTL Class I
Data bus byte lane 2
H8
DDR3A_DQ23
AK23
1.5-V SSTL Class I
Data bus byte lane 2
A2
DDR3A_DQ24
AG19
1.5-V SSTL Class I
Data bus byte lane 3
C2
DDR3A_DQ25
AG18
1.5-V SSTL Class I
Data bus byte lane 3
D7
DDR3A_DQ26
AH24
1.5-V SSTL Class I
Data bus byte lane 3
A7
DDR3A_DQ27
AK25
1.5-V SSTL Class I
Data bus byte lane 3
A3
DDR3A_DQ28
AE20
1.5-V SSTL Class I
Data bus byte lane 3
C3
DDR3A_DQ29
AD19
1.5-V SSTL Class I
Data bus byte lane 3
B8
DDR3A_DQ30
AG24
1.5-V SSTL Class I
Data bus byte lane 3
C8
DDR3A_DQ31
AK26
1.5-V SSTL Class I
Data bus byte lane 3
F3
DDR3A_DQS_P2
Y20
Differential 1.5-V SSTL
Class I
Data strobe P byte lane 2
G3
DDR3A_DQS_N2
AA20
Differential 1.5-V SSTL
Class I
Data strobe N byte lane 2
C7
DDR3A_DQS_P3
AB19
Differential 1.5-V SSTL
Class I
Data strobe P byte lane 3
B7
DDR3A_DQS_N3
AC19
Differential 1.5-V SSTL
Class I
Data strobe N byte lane 3
K1
DDR3A_ODT
AH14
1.5-V SSTL Class I
On-die termination enable
J3
DDR3A_RASN
AG9
1.5-V SSTL Class I
Row address select
T2
DDR3A_RESETN
AK21
1.5-V SSTL Class I
Reset
L3
DDR3A_WEN
AK5
1.5-V SSTL Class I
Write enable
L8
DDR3A_ZQ2
—
1.5-V SSTL Class I
ZQ impedance calibration
DDR3 x8 (U23)
K3
DDR3A_A0
AJ12
1.5-V SSTL Class I
Address bus
L7
DDR3A_A1
AK12
1.5-V SSTL Class I
Address bus
L3
DDR3A_A2
AH11
1.5-V SSTL Class I
Address bus
Table 2–29. DDR3A Device Pin Assignments, Schematic Signal Names, and Functions (Part 3 of 4)
Board Reference
Schematic
Signal Name
Cyclone V GX
Pin Number
I/O Standard
Description